2117442589 has 2 divisors, whose sum is σ = 2117442590. Its totient is φ = 2117442588.

The previous prime is 2117442571. The next prime is 2117442601. The reversal of 2117442589 is 9852447112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208118564 + 909324025 = 34758^2 + 30155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2117442589 - 2¹⁷ = 2117311517 is a prime.

It is a super-2 number, since 2×2117442589² = 8967126235422045842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117442529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058721294 + 1058721295.

It is an arithmetic number, because the mean of its divisors is an integer number (1058721295).

Almost surely, 2^2117442589 is an apocalyptic number.

It is an amenable number.

2117442589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117442589 is an equidigital number, since it uses as much as digits as its factorization.

2117442589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 2117442589 is about 46015.6776436032. The cubic root of 2117442589 is about 1284.1148883605.

The spelling of 2117442589 in words is "two billion, one hundred seventeen million, four hundred forty-two thousand, five hundred eighty-nine".